package javapop.framework.parser.expr;

public interface ExprNode {
	public boolean isInfix();
	public InfixNode asInfix();
	public boolean isPrefix();
	public PrefixNode asPrefix();
	public boolean isPostfix();
	public PostfixNode asPostfix();
	public boolean isOperand();
	public OperandNode asOperand();
	public String getDescription();
}
